Documentation
Tools exposed by Business ID Check and the limits that apply.
Connect
Server URL: https://bizid.tidybutton.com/mcp. Authentication is OAuth with dynamic client registration and an email sign-in code. Claude: Settings, Connectors, Add custom connector.
Tools
check_business_id
Validates one identifier: offline format and check digits, then the official registry where one is available. Compares with the previous check of the same number.
- Inputs: id, country (optional ISO code such as DE, GB, AU, NZ; inferred from a prefix or layout when omitted)
- Limits: Counts one check. Numbers that could not be judged (registry outage, country unknown) are not counted.
start_id_batch
Starts a batch check from a pasted list or a CSV file at a public URL. The first part is processed immediately.
- Inputs: ids (list) or csv_url, optional id_column and default country
- Limits: Identifiers per batch and checks per month depend on the plan.
get_id_batch
Progress for a batch; advances it by one part. When finished it returns counts, the identifiers that changed or are not valid, a report URL and, on Pro, a CSV URL.
- Inputs: batch_id
- Limits: One part (up to 20 identifiers) per call.
id_history
Lists the earlier results for one identifier with the changes between them.
- Inputs: id, country (optional), limit (optional, up to 50)
- Limits: Up to 50 results kept per identifier, for 12 months.
list_id_batches
Lists the latest 20 batches for the account.
- Inputs: none
- Limits: Latest 20.
account_status
Shows the account email, plan, usage and limits.
- Inputs: none
- Limits: none
activate_license
Binds a licence key to the account.
- Inputs: license_key (string)
- Limits: Key must belong to this product.
Plan limits
| Limit | Free | Pro |
|---|---|---|
| checks | 25 | 2000 |
| ids_per_batch | 10 | 1000 |
| csv_export | 0 | 1 |
Network behaviour
Outbound requests use the user agent TidyButtonBot/1.0 (+https://bizid.tidybutton.com/bot), time out after 8 seconds and are blocked from private, loopback and link-local addresses.